There's a nice list here: http://www.jeepkj.com/forums/viewtopic.php?t=325 As well as the method of retrieving the codes without an OBD-II reader.
With a scan tool
You can't. This is an OBD2 compliant vehicle, and as such you will need a scan tool to access the codes.
How do you reset engine light on jeep liberty diesel
the answer is no. 2002 was the first year the liberty was made. in 2003 they change the computer modules..the only engine you can put in a 2002 jeep liberty is a 2002 engine
Unhooking a battery doesn't clear the codes on a 2003 Jeep. You need a scan tool.
As 2003 Jeep Liberty uses 5W30 engine oil. It can be synthetic, conventional, or a blend.
The 3.7 litre V6 engine in a 2003 Jeep Liberty has a timing CHAIN
what is this code p1491 on 2003 jeep liberty
10w30 for 2004
You reset the codes with a scan tool after repairing the failure.
Try disconnecting the battery for about 10 minutes or have vehicle scanned to determine problem and have codes cleared
With a scan tool